MakeItFrom.com
Menu (ESC)

C72200 Copper-nickel vs. C61800 Bronze

Both C72200 copper-nickel and C61800 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 71 to 86
89
Shear Modulus, GPa 48
44
Tensile Strength: Ultimate (UTS), MPa 350 to 580
740

Thermal Properties

Latent Heat of Fusion, J/g 220
230
Maximum Temperature: Mechanical, °C 230
220
Melting Completion (Liquidus), °C 1180
1050
Melting Onset (Solidus), °C 1120
1040
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 34
64
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
13
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
14

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.9
3.1
Embodied Energy, MJ/kg 59
52
Embodied Water, L/kg 300
390

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
25
Strength to Weight: Bending, points 12 to 17
22
Thermal Diffusivity, mm2/s 9.6
18
Thermal Shock Resistance, points 12 to 20
26

Alloy Composition

Aluminum (Al), % 0
8.5 to 11
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
86.9 to 91
Iron (Fe), % 0.5 to 1.0
0.5 to 1.5
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 15 to 18
0
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 0 to 1.0
0 to 0.020
Residuals, % 0
0 to 0.5